Title:
SPACED HOLE-FORMING APPARATUS USED FOR FARMLAND- COVERING SHEET FOR CROP CULTURE
Document Type and Number:
Japanese Patent JP3755875
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a spaced hole-forming apparatus which is used for a farmland-covering sheet, can readily be carried to an employment site, enables the easy adjustments of perforation positions and distances in the sheet on a farmland, can simply and lightly perforate the sheet, and has a simple structure.
SOLUTION: This spaced hole-forming apparatus is manufactured by disposing a roll support shaft 3 on the rear part of a support base 1, disposing a disk support shaft 6 on the front part of the support base 1 in parallel to the roll support shaft 3 at a space, disposing bearing portions 2, 2 enabling the attachment or detachment of the roll support shaft 3 inserted into the core hole 5 of a sheet roll 4 on the roll support shaft 3, freely rotatably and pivotally attaching disks 8 having anti-slipping surfaces 11 formed on their outer circumferences to the disk support shaft 6 through rotary shafts 10 disposed in the centers of the disks 8, and disposing a plurality of cuter blades 9 on each disk 8 in the radial direction at spaces in a projected state.
Inventors:
Noguchi Kiichi
Application Number:
JP2002035134A
Publication Date:
March 15, 2006
Filing Date:
February 13, 2002
Export Citation:
Assignee:
Noguchi Kiichi
International Classes:
A01G13/00; (IPC1-7): A01G13/00
Domestic Patent References:
| JP2127152U | ||||
| JP6345164U | ||||
| JP8172937A |
Attorney, Agent or Firm:
Toshio Hirayama